In a large pan over medium heat, heat oil. This platter of goodness represents the lowest-effort end of the homemade nachos spectrum. Wondering how to melt cheese for nachos? Although this game day-perfect platter of beefy, cheesy homemade nachos comes together quickly, it delivers the classic meld of flavors and textures that you’d expect from the best homemade nachos. If you're wondering how to melt cheese for nachos, here's the steps you have to follow:. Preheat oven to 220ºC (200ºC fan) and line a large baking tray with foil. First preheat the oven to 180º C. Arrange a layer of tortilla chips along the bottom of a large, shallow, ovenproof platter. Don't miss this easy nachos with cheese recipe, prepared with cheddar cheese, jalapeño peppers and olives.. How to prepare Cheese for Nachos?